1Tibialis Anterior origin
Lateral surface of tibia
Interosseous membrane
2Tibialis Anterior insertion
base of first metatarsal
medial cuneiform
3Tibialis Anterior action
dorsiflexion of ankle
inversion of foot
4Tibialis Anterior nerve supply
deep peroneal nerve
5Extensor Hallucis Longus origin
anterior surface of fibula
interosseous membrane
6Extensor Hallucis Longus insertion
base of distal phalanx of big toe
7Extensor Hallucis Longus action
extension of big toe
8Extensor Hallucis Longus nerve supply
deep peroneal nerve
9Extensor Digitorum Longus origin
proximal anterior shaft of fibula
interosseous membrane
lateral condyle of tibia
10Extensor Digitorum Longus insertion
extensor expansion of toes 2-5
11Extensor Digitorum Longus action
extensor of toes 2-5
dorsiflexion of ankle
12Extensor Digitorum Longus nerve supply
deep peroneal nerve
13Peroneus Tertius origin
distal anterior fibula
14Peroneus Tertius insertion
base of 5th metatarsal
15Peroneus Tertius action
eversion of foot
dorsiflexion of ankle
16Peroneus Tertius nerve supply
deep peroneal nerve
17Gastrocnemius origin
medial head - medial epicondyle of femur
lateral head - lateral epicondyle of femur
18Gastrocnemius insertion
calcaneus via calcaneal tendon
19Gastrocnemius action
plantarflexion of ankle
flexion of knee
20Gastrocnemius nerve supply
tibial nerve
21Soleus origin
soleal line of tibia
proximal fibula
22Soleus insertion
calcaneus via calcaneal tendon
23Soleus action
plantarflexion of ankle
24Soleus nerve supply
tibial nerve
25Plantaris origin
lateral supracondylar ridge of femur
26Plantaris insertion
posterior calcaneus
27Plantaris action
plantarflexion of ankle
flexion of knee
28Plantaris nerve supply
tibial nerve
29Popliteus origin
lateral condyle of femur
30Popliteus insertion
proximal posterior tibia
31Popliteus action
"Unlocks" extended knee by internal rotation of tibia (normal) or external rotation of femur (reverse)
32Popliteus nerve supply
tibial nerve
33Tibialis Posterior origin
posterior tibia
proximal posterior fibula
interosseous membrane
34Tibialis Posterior insertion
navicular tuberosity
all cuneiforms
cuboid
bases of metatarsals 2-4
35Tibialis Posterior action
inversion of foot
plantarflexion of ankle
36Tibialis Posterior nerve supply
tibial nerve
37Flexor Digitorum Longus origin
posterior tibia
38Flexor Digitorum Longus insertion
distal phalanges of toes 2-5
39Flexor Digitorum Longus action
flexion of toes 2-5 at DIP joints
plantarflexion of ankle
40Flexor Digitorum Longus nerve supply
tibial nerve
41Flexor Hallucis Longus origin
distal posterior fibula
interosseous membrane
42Flexor Hallucis Longus insertion
distal phalanx of big toe
43Flexor Hallucis Longus action
flexion of big toe
44Flexor Hallucis Longus nerve supply
tibial nerve
45Peroneus Longus origin
head and proximal lateral shaft of fibula
46Peroneus Longus insertion
base of 1st metatarsal
medial cuneiform
47Peroneus Longus action
eversion of foot
plantarflexion of ankle
48Peroneus Longus nerve supply
superficial peroneal nerve
49Peroneus Brevis origin
distal lateral shaft of fibula
50Peroneus Brevis insertion
base of 5th metatarsal
51Peroneus Brevis action
eversion of foot
plantarflexion of ankle
52Peroneus Brevis nerve supply
superficial peroneal nerve
53Extensor Digitorum Brevis origin
anterior and lateral calcaneus
54Extensor Digitorum Brevis insertion
extensor expansion of toes 2-4
55Extensor Digitorum Brevis action
extension of toes 2-4
56Extensor Digitorum Brevis nerve supply
deep peroneal nerve
57Abductor Hallucis origin
calcaneus
58Abductor Hallucis insertion
base of proximal phalanx of big toe
59Abductor Hallucis action
flexion of big toe at MTP joint
abduction of big toe at MTP joint
60Abductor Hallucis nerve supply
medial plantar nerve
61Flexor Digitorum Brevis origin
calcaneus
62Flexor Digitorum Brevis insertion
bases of middle phalanges of toes 2-5
63Flexor Digitorum Brevis action
flexion of toes 2-5 at PIP joints
64Flexor Digitorum Brevis nerve supply
medial plantar nerve
65Abductor Digit Minimi origin
calcaneus
66Abductor Digit Minimi insertion
base of proximal phalanx of toe 5
67Abductor Digit Minimi action
abduction of toe 5 at MTP joint
flexion of toe 5 at MTP joint
68Abductor Digit Minimi nerve supply
lateral plantar nerve
69Quadratus Plantae origin
calcaneus
70Quadratus Plantae insertion
lateral surface of flexor digitorum longus tendon
71Quadratus Plantae action
flexion of toes 2-5 at DIP joints
72Quadratus Plantae nerve supply
lateral plantar nerve
73Lumbricals origin
tendons of flexor digitorum longus
74Lumbricals insertion
extensor expansion 2-5
75Lumbricals action
flexion of toes 2-5 at MTP joints
extension of toes 2-5 at IP joints
76Lumbricals nerve supply
toes 2 - medial plantar nerve
toes 3-5 - lateral plantar nerves
77Flexor Hallucis Brevis origin
cuboid and lateral cuneiform bones
78Flexor Hallucis Brevis insertion
both sides of base of proximal phalanx of big toe
79Flexor Hallucis Brevis action
flexion of big toe at MTP joint
80Flexor Hallucis Brevis nerve supply
medial plantar nerve
81Adductor Hallucis origin
oblique head: bases of 2nd-4th metatarsals
transverse head: deep transverse metatarsal ligament and plantar plates of 3-5 MTP joints
82Adductor Hallucis insertion
base of proximal phalanx of big toe
83Adductor Hallucis action
adduction of big toe at MTP joint
flexion of big toe at MTP joint
84Adductor Hallucis nerve supply
lateral plantar nerve
85Flexor Digiti Minimi origin
Base of 5th metatarsal
86Flexor Digiti Minimi insertion
base of proximal phalanx of toe 5
87Flexor Digiti Minimi action
flexion of toe 5 at MTP joint
88Flexor Digiti Minimi nerve supply
lateral plantar nerve
89Dorsal Interossei origin
posterior surfaces from adjacent metatarsals
90Dorsal Interossei insertion
extensor expansions of toe 2 and lateral sides of toes 2-4
91Dorsal Interossei action
abduction of toes 2-4 at MTP joints
flexion of toes 2-4 at MTP joints
extension of toes 2-4 at IP joints
92Dorsal Interossei nerve supply
lateral plantar nerve
93Plantar Interossei origin
medial sides of metatarsals 3-5
94Plantar Interossei insertion
extensor expansions of toes 3-5
95Plantar Interossei action
adduction of toes 3-5 at MTP joints
flexion of toes 3-5 at MTP joints
extension of toes 3-5 at IP joints
96Plantar Interossei nerve supply
lateral plantar nerve